#ifndef __NETNS_XFRM_H
#define __NETNS_XFRM_H

#include <linux/list.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <linux/xfrm.h>

struct ctl_table_header;

struct xfrm_policy_hash {
	struct hlist_head *table;
	unsigned int hmask;
};

struct netns_xfrm {
	struct list_head state_all;
	/*
	 * Hash table to find appropriate SA towards given target (endpoint of
	 * tunnel or destination of transport mode) allowed by selector.
	 *
	 * Main use is finding SA after policy selected tunnel or transport
	 * mode. Also, it can be used by ah/esp icmp error handler to find
	 * offending SA.
	 */
	struct hlist_head *state_bydst;
	struct hlist_head *state_bysrc;
	struct hlist_head *state_byspi;
	unsigned int state_hmask;
	unsigned int state_num;
	struct work_struct state_hash_work;
	struct hlist_head state_gc_list;
	struct work_struct state_gc_work;

	wait_queue_head_t km_waitq;

	struct list_head policy_all;
	struct hlist_head *policy_byidx;
	unsigned int policy_idx_hmask;
	struct hlist_head policy_inexact[XFRM_POLICY_MAX * 2];
	struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX * 2];
	unsigned int policy_count[XFRM_POLICY_MAX * 2];
	struct work_struct policy_hash_work;

	struct sock *nlsk;

	u32 sysctl_aevent_etime;
	u32 sysctl_aevent_rseqth;
	int sysctl_larval_drop;
	u32 sysctl_acq_expires;
#ifdef CONFIG_SYSCTL
	struct ctl_table_header *sysctl_hdr;
#endif
};

#endif
